Letter opener



FIG. 1 is a left perspective view of the letter opener;

FIG. 2 is a left side elevational view of the letter opener;

FIG. 3 is a top plan view of the letter opener;

FIG. 4 is a right side elevational view of the letter opener;

FIG. 5 is a bottom plan view of the letter opener;

FIG. 6 is a front elevational view of the letter opener; and,

FIG. 7 is a back elevational view of the letter opener. 

I claim the ornamental design for a letter opener, as shown and described. 